New liquid-liquid interface route to obtain ZnS nanoparticles.

Reference Presenter Authors
(Institution)
Abstract
13-030 Yuri Vinicius Bruschi de Santana de Santana, Y.V.(Universidade Tecnológica Federal do Paraná); Longo, E.(Universidade Estadual Paulista); Photocatalytic materials use the photon energy of light to catalyze a chemical reaction. The applications of photocatalysts include the decomposition of water into hydrogen and oxygen and the complete oxidation of organic contaminants in aqueous environments. Advanced oxidation processes are of current interest for the effective oxidation of a wide variety of organics and dyes1, and semiconductor assisted photocatalytic degradation has high priority.2 As an important member in the family of wide-gap semiconductors, zinc sulfide (ZnS) has been extensively investigated. Particularly, its optical, electrical, and magnetic properties strongly depend on the size of the nanoparticles, their shape and size distribution. In addition, this material has a wide area of technological applications such as sensors, optical devices, catalysts, photodetectors and are extensively studied in fundamental research3. The search for synthetic methods with low cost, sustainable and exhibiting good control over the structure of materials is intensely investigated by researchers. In this work we propose a new synthetic rote for the synthesis of ZnS nanoparticles, and investigate their photoluminescence and phocatalytic properties on the degradation of Rhodamine 6G dye (Rhd6G). The samples were characterized by different experimental techniques such as X ray diffraction, Photoluminescence (PL), UV-Vis Spectrometry, Scanning electron microscopy (FEG-SEM) and transmission electron microscopy (FEG-TEM).
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